Newton’s law of motion (id: d26133fcf)

本题目来源于试卷: Newton’s law of motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
00.13: An object near the surface of the earth with a weight ofvpxyl9n x0.6hqbg2 h; 100 newtonoxx )(6u,i4y+nx cdg us is accelerated x(in +yc,ug4uxx)o6d at $4\;m/s^{2}$ . What is the net force on the object?

A. 25N
B. 40N
C. 250N
D. 400N
E. 2500N


参考答案:  B


本题详细解析: 暂无

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